Significant Link Between Nightmares, Suicidal Behavior

I catch myself being really callous and unfeeling at times. It scares me, that I can be so unsympathetic sometimes and have no regard for those I don t like. With people I like, such as friends, family, generally friendly people, it s different. But with people that I don t like, what goes through my mind can be quite scary. Even if they didn t do anything wrong, but annoyed me in some way (even if they weren t aware of what they did), I won t be empathetic in the slightest, and at times... Can t Tell If I m Really Evil Or Not, Need Input
https://www.myptsd.com/c/threads/significant-link-between-nightmares-suicidal-behavior.60582/